Tibetan book of the dead is a very old esoteric book. Which describes the process of dying with the transition to the afterlife or spirit world. In addition there is an explanation. For the cyclic nature of a continuing consciousness through various physical bodies. In conclusion life in the fourth dimension of heaven or spirit world runs in parallel with life on the physical plane.
The Tibetan book of the dead describes the process of dying; with guidance to afterlife. It is stated in the Lord’s prayer. That as it is on earth, so it is in heaven. We all remain the same person in the fourth dimension. With the only difference being in heaven; we do not have a physical body.